/* Calendar Module Styles */

/* Calendar Container */
.calendar-container {
    display: flex;
    height: calc(100vh - 60px);
    background: var(--background);
    color: var(--foreground);
}

/* Sidebar */
.calendar-sidebar {
    width: 260px;
    border-right: 1px solid var(--border);
    background: var(--card);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.calendar-sidebar.collapsed {
    width: 0;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.sidebar-actions {
    padding: 16px;
}

.btn-primary-full {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: var(--primary-foreground);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
}

.btn-primary-full:hover {
    opacity: 0.9;
}

/* Mini Calendar */
.mini-calendar {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.mini-calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.mini-calendar-title {
    font-size: 14px;
    font-weight: 600;
}

.mini-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 4px;
}

.mini-calendar-weekdays span {
    text-align: center;
    font-size: 11px;
    font-weight: 500;
    color: var(--muted-foreground);
    padding: 4px 0;
}

.mini-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.mini-day {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    border: none;
    background: transparent;
    color: var(--foreground);
}

.mini-day:hover {
    background: var(--accent);
}

.mini-day.other-month {
    color: var(--muted-foreground);
}

.mini-day.today {
    background: var(--primary);
    color: var(--primary-foreground);
}

.mini-day.selected {
    background: var(--accent);
    border: 2px solid var(--primary);
}

.mini-day.has-events::after {
    content: '';
    position: absolute;
    bottom: 2px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
}

/* Sidebar Sections */
.sidebar-section {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-section h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--muted-foreground);
    margin: 0 0 12px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-header h3 {
    margin: 0;
}

/* Calendars List */
.calendars-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calendar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}

.calendar-item:hover {
    background: var(--accent);
}

.calendar-checkbox {
    width: 16px;
    height: 16px;
    border: 2px solid;
    border-radius: 4px;
    cursor: pointer;
}

.calendar-checkbox.checked::after {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
}

.calendar-name {
    flex: 1;
    font-size: 13px;
}

/* Upcoming Events */
.upcoming-events {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upcoming-event {
    display: flex;
    gap: 10px;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}

.upcoming-event:hover {
    background: var(--accent);
}

.upcoming-color {
    width: 4px;
    border-radius: 2px;
    flex-shrink: 0;
}

.upcoming-info {
    flex: 1;
    min-width: 0;
}

.upcoming-title {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upcoming-time {
    font-size: 11px;
    color: var(--muted-foreground);
}

/* Main Calendar */
.calendar-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* Calendar Header */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-today {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--background);
    color: var(--foreground);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-today:hover {
    background: var(--accent);
}

.nav-buttons {
    display: flex;
    gap: 4px;
}

.current-period {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.view-selector {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.view-btn {
    padding: 8px 16px;
    border: none;
    background: var(--background);
    color: var(--foreground);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.view-btn:not(:last-child) {
    border-right: 1px solid var(--border);
}

.view-btn:hover {
    background: var(--accent);
}

.view-btn.active {
    background: var(--primary);
    color: var(--primary-foreground);
}

/* Calendar Grid */
.calendar-grid-container {
    flex: 1;
    overflow: auto;
    position: relative;
}

/* Day/Week Views */
.day-view,
.week-view {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.day-view.hidden,
.week-view.hidden,
.month-view.hidden {
    display: none;
}

.day-header,
.week-header {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--card);
    position: sticky;
    top: 0;
    z-index: 10;
}

.time-gutter {
    width: 60px;
    flex-shrink: 0;
}

.day-column-header {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
}

.day-name {
    font-size: 11px;
    color: var(--muted-foreground);
    text-transform: uppercase;
}

.day-number {
    font-size: 24px;
    font-weight: 600;
}

.day-number.today {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--primary-foreground);
}

.week-days-header {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.week-day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    border-left: 1px solid var(--border);
}

.day-body,
.week-body {
    flex: 1;
    display: flex;
    overflow-y: auto;
}

.time-column {
    width: 60px;
    flex-shrink: 0;
}

.time-slots {
    position: relative;
}

.time-slot {
    height: 48px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-right: 8px;
    font-size: 11px;
    color: var(--muted-foreground);
}

.week-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    position: relative;
}

.day-column {
    border-left: 1px solid var(--border);
    position: relative;
}

.hour-row {
    height: 48px;
    border-bottom: 1px solid var(--border);
}

.hour-row:nth-child(even) {
    border-bottom-style: dashed;
}

/* Month View */
.month-view {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.month-header {
    border-bottom: 1px solid var(--border);
    background: var(--card);
}

.month-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.month-weekdays span {
    padding: 12px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted-foreground);
    text-transform: uppercase;
}

.month-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(6, 1fr);
}

.month-day {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 4px;
    min-height: 100px;
    cursor: pointer;
    transition: background 0.15s;
}

.month-day:hover {
    background: var(--accent);
}

.month-day:nth-child(7n) {
    border-right: none;
}

.month-day.other-month {
    background: var(--muted);
}

.month-day.other-month .month-day-number {
    color: var(--muted-foreground);
}

.month-day-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 50%;
}

.month-day.today .month-day-number {
    background: var(--primary);
    color: var(--primary-foreground);
}

.month-day-events {
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.month-event {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.month-event.blue { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }
.month-event.green { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.month-event.red { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.month-event.purple { background: rgba(168, 85, 247, 0.2); color: #a855f7; }
.month-event.orange { background: rgba(249, 115, 22, 0.2); color: #f97316; }

.more-events {
    font-size: 11px;
    color: var(--muted-foreground);
    padding: 2px 6px;
    cursor: pointer;
}

.more-events:hover {
    color: var(--primary);
}

/* Event in Week/Day View */
.calendar-event {
    position: absolute;
    left: 2px;
    right: 2px;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 11px;
    overflow: hidden;
    cursor: pointer;
    z-index: 5;
}

.calendar-event.blue { background: rgba(59, 130, 246, 0.9); color: white; }
.calendar-event.green { background: rgba(34, 197, 94, 0.9); color: white; }
.calendar-event.red { background: rgba(239, 68, 68, 0.9); color: white; }
.calendar-event.purple { background: rgba(168, 85, 247, 0.9); color: white; }
.calendar-event.orange { background: rgba(249, 115, 22, 0.9); color: white; }

.event-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-time {
    font-size: 10px;
    opacity: 0.9;
}

/* Current Time Indicator */
.current-time-indicator {
    position: absolute;
    left: 60px;
    right: 0;
    height: 2px;
    background: var(--destructive);
    z-index: 20;
    pointer-events: none;
}

.current-time-indicator::before {
    content: '';
    position: absolute;
    left: -5px;
    top: -4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--destructive);
}

/* Calendar Modal */
.calendar-container .modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.calendar-container .modal.hidden {
    display: none;
}

.calendar-container .modal-content {
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    background: var(--card);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.calendar-container .modal-lg {
    max-width: 560px;
}

.calendar-container .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.calendar-container .modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.calendar-container .modal-body {
    padding: 20px;
    overflow-y: auto;
}

/* Event Form */
.event-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.event-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.event-form .form-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted-foreground);
}

.event-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.input-title {
    font-size: 20px;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--foreground);
    padding: 8px 0;
    outline: none;
}

.input-title::placeholder {
    color: var(--muted-foreground);
}

.event-form input[type="text"],
.event-form input[type="datetime-local"],
.event-form select,
.event-form textarea {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--background);
    color: var(--foreground);
    font-size: 14px;
}

.event-form textarea {
    resize: vertical;
}

.input-with-icon {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--background);
}

.input-with-icon svg {
    color: var(--muted-foreground);
    flex-shrink: 0;
}

.input-with-icon input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 0;
    outline: none;
    color: var(--foreground);
}

.color-options {
    display: flex;
    gap: 8px;
}

.color-option {
    cursor: pointer;
}

.color-option input {
    display: none;
}

.color-dot {
    display: block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    transition: transform 0.15s;
}

.color-option input:checked + .color-dot {
    transform: scale(1.2);
    box-shadow: 0 0 0 3px var(--background), 0 0 0 5px currentColor;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* Event Popup */
.event-popup {
    position: absolute;
    width: 300px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 100;
}

.event-popup.hidden {
    display: none;
}

.event-popup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.event-popup-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

.event-popup-header h4 {
    flex: 1;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.event-popup-actions {
    display: flex;
    gap: 4px;
}

.event-popup-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.popup-detail {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
}

.popup-detail svg {
    color: var(--muted-foreground);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Button Icons */
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--foreground);
    cursor: pointer;
    transition: background 0.15s;
}

.btn-icon:hover {
    background: var(--accent);
}

.btn-icon-sm {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--muted-foreground);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-sm:hover {
    background: var(--accent);
    color: var(--foreground);
}

/* iCal Import/Export */
.ical-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ical-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    font-size: 13px;
    text-decoration: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.ical-btn:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
}

.ical-btn svg {
    flex-shrink: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .calendar-sidebar {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 60;
        transform: translateX(-100%);
    }

    .calendar-sidebar.open {
        transform: translateX(0);
    }

    .view-selector {
        display: none;
    }

    .month-weekdays span {
        font-size: 10px;
        padding: 8px 4px;
    }

    .month-day {
        min-height: 60px;
    }

    .event-popup {
        width: calc(100% - 32px);
        left: 16px !important;
        right: 16px !important;
    }
}